﻿ALTER TABLE [dbo].[ContainerLading]
	ADD CONSTRAINT [ContainerLadingToTransportation] 
	FOREIGN KEY ([Conveyance],[VoyageNumber])
	REFERENCES [dbo].[Transportation] ([Conveyance],[VoyageNumber])
	ON UPDATE CASCADE
	ON DELETE SET NULL
GO
ALTER TABLE [dbo].[ContainerLading]
	NOCHECK CONSTRAINT [ContainerLadingToTransportation] 
GO
